2500049 has 2 divisors, whose sum is σ = 2500050.
Its totient is φ = 2500048.
The previous prime is 2500027. The next prime is 2500051. The reversal of 2500049 is 9400052.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2131600 + 368449 = 1460^2 + 607^2
It is a cyclic number.
It is not a de Polignac number, because 2500049 - 28 = 2499793 is a prime.
Together with 2500051, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2500049.
It is not a weakly prime, because it can be changed into another prime (2500009) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250024 + 1250025.
It is an arithmetic number, because the mean of its divisors is an integer number (1250025).
22500049 is an apocalyptic number.
It is an amenable number.
2500049 is a deficient number, since it is larger than the sum of its proper divisors (1).
2500049 is an equidigital number, since it uses as much as digits as its factorization.
2500049 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 360, while the sum is 20.
The square root of 2500049 is about 1581.1543251688.
The cubic root of 2500049 is about 135.7217675337.
The spelling of 2500049 in words is "two million, five hundred thousand, forty-nine".